| US 278 EB over Mackay Creek | Poor | 2230.3 ft | 28,950 | 1956 |
| US 21 SB over Beaufort River | Poor | 4210.0 ft | 14,400 | 1979 |
| US 17 NB over Huspa Creek | Poor | 89.9 ft | 6,600 | 1993 |
| US 17 SB over Huspa Creek | Poor | 89.9 ft | 6,600 | 1993 |
| US 278 EB over Okatie River | Fair | 810.0 ft | 33,950 | 1991 |
| US 278 WB over Okatie River | Fair | 810.0 ft | 33,950 | 1991 |
| US 21/ribaut RD over Battery Creek Overflow | Fair | 120.1 ft | 32,900 | 1993 |
| US 21 over Battery Creek | Fair | 3164.0 ft | 32,900 | 1994 |
| US 278 over S-7-835 & Broad Creek | Fair | 3527.9 ft | 31,200 | 1994 |
| Sc 170 over Chechessee River | Fair | 1853.0 ft | 30,600 | 2003 |
| Sc 170 over Broad River | Fair | 9000.0 ft | 30,600 | 2003 |
| US 278 EB over Skull Creek | Fair | 2822.5 ft | 28,950 | 1982 |
| US 278 WB over Skull Creek | Fair | 2822.5 ft | 28,950 | 1982 |
| US 278 WB over Mackay Creek | Fair | 2230.6 ft | 28,950 | 1983 |
| Sc 46/okatie HWY over Scl Rr Abandoned | Fair | 138.1 ft | 20,100 | 1936 |
| US 21 Bus over Beaufort River | Fair | 2290.0 ft | 15,600 | 1960 |
| US 278 EB over Ramp 5012 | Fair | 240.2 ft | 15,600 | 1997 |
| US 278 EB over S-245/marshland RD | Fair | 174.9 ft | 15,600 | 1997 |
| US 278 WB over US 278 Bus EB | Fair | 132.9 ft | 15,600 | 1997 |
| US 278 WB over S-482/gumtree Road | Fair | 236.9 ft | 15,600 | 1997 |
| US 21 NB over Beaufort River | Fair | 4211.0 ft | 14,400 | 2012 |
| US 17 over Combahee River | Fair | 839.9 ft | 13,200 | 2008 |
| US 21 SB over Whale Branch | Fair | 950.1 ft | 8,900 | 1968 |
| US 21 NB over Whale Branch | Fair | 1299.9 ft | 8,900 | 1991 |
| S-7-40 over Habersham Creek | Fair | 56.1 ft | 8,800 | 1958 |
| US 21 NB over Village Creek | Fair | 29.9 ft | 6,900 | 1947 |
| US 17 NB over Rr Scrf Abandoned | Fair | 126.0 ft | 6,600 | 1935 |
| S-7-45 over Trib To Capers Creek | Fair | 44.9 ft | 5,700 | 1974 |
| Sc 802 over Lucy Point Creek | Fair | 490.2 ft | 4,600 | 1965 |
| US 21 over Johnson Creek | Fair | 648.0 ft | 2,600 | 2006 |
| S-7-457/salem RD over Trib To Battery Creek | Fair | 44.9 ft | 2,300 | 1967 |
| S-7-13/bridge ST over Heyward Cove | Fair | 105.0 ft | 2,100 | 1972 |
| Malecon DR over Archers Creek | Fair | 369.8 ft | 2,000 | 1954 |
| S-265/rosseida RD over Salt Creek | Fair | 29.9 ft | 1,850 | 1965 |
| S-7-77/seaside RD over Club Bridge Creek | Fair | 99.1 ft | 950 | 2003 |
| S-7-59 over Field Creek | Fair | 89.9 ft | 425 | 1997 |
| S-7-33/river RD over Trib Combahee River | Fair | 44.9 ft | 300 | 1961 |
| S-7-33/river RD over Trib To Combahee River | Fair | 44.9 ft | 300 | 1961 |
| S-7-43/kinloch RD over True Blue Creek | Fair | 27.9 ft | 275 | 1959 |
| S-7-30 over Myrtle Island Creek | Fair | 89.9 ft | 225 | 1996 |
| C-7-896 over Trib To Battery Creek | Fair | 29.9 ft | 200 | 1965 |
| S-406 Tarpon BLVD over Fripp Inlet | Fair | 1990.2 ft | 200 | 1963 |
| S-31/bridge ST over Canal | Fair | 75.1 ft | 125 | 1971 |
| Cuba Street over Ballast Creek | Fair | 359.9 ft | 50 | 1941 |
| US 278 EB over Sc 170 | Good | 250.0 ft | 33,950 | 1991 |
| US 278 WB over Sc 170 | Good | 250.0 ft | 33,950 | 1991 |
| US 21 over Albergotti Creek | Good | 120.1 ft | 31,400 | 2014 |
| Sc 46/okatie HWY over New River | Good | 480.0 ft | 20,100 | 2006 |
| US 21 over Chowan Creek | Good | 509.8 ft | 19,900 | 2000 |
| L-1526 over Tidal Marsh | Good | 1190.9 ft | 19,100 | 2016 |
| Sc 46/may River RD over Stoney Creek | Good | 89.9 ft | 15,700 | 2001 |
| Sc 46/may River RD over Rose Dhu Creek | Good | 120.1 ft | 15,700 | 2001 |
| US 278 EB over US 278 Bus EB | Good | 133.9 ft | 15,600 | 1997 |
| US 278 WB over S-245/marshland Road | Good | 167.0 ft | 15,600 | 1997 |
| US 278 EB over Palmetto Lagoon | Good | 131.9 ft | 13,600 | 1978 |
| US 278 WB over Palmetto Lagoon | Good | 120.1 ft | 13,600 | 2001 |
| US 17 over US 21 | Good | 96.1 ft | 13,200 | 2009 |
| US 17 Alt over Rr Csxt | Good | 246.1 ft | 9,800 | 2024 |
| L-1526 EB over Tidal Marsh | Good | 1365.2 ft | 9,550 | 2016 |
| L-1526 WB over S-242 | Good | 1574.1 ft | 9,550 | 2016 |
| US 17 SB over Rr Scl Abandoned | Good | 183.1 ft | 6,600 | 1992 |
| US 17 SB over Branford Creek | Good | 720.1 ft | 6,600 | 2011 |
| US 17 SB over Marsh | Good | 600.1 ft | 6,600 | 2009 |
| S-7-79 over Jarvis Creek | Good | 480.0 ft | 5,300 | 2017 |
| US 21 over Harbor River | Good | 3339.9 ft | 2,600 | 2021 |
| S-7-72 over Broomfield Creek | Good | 89.9 ft | 2,300 | 1996 |
| Ramp On US 21 SB over Battery CR | Good | 600.1 ft | 1,799 | 1994 |
| S-7-200 over Saltwater Creek | Good | 89.9 ft | 800 | 2000 |
| L-7-5929 over Marsh | Good | 419.9 ft | 425 | 2004 |
| S-7-77/seaside RD over Station Creek | Good | 65.9 ft | 375 | 2003 |
| S-7-77/seaside RD over Station Creek | Good | 65.9 ft | 375 | 2003 |
| L-7-383 over Brickyard Creek | Good | 140.1 ft | 200 | 2016 |